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Some PCI IRQ changes to mitigate IRQ loss.

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This commit is contained in:
OBattler
2021-07-23 05:51:26 +02:00
parent ea65edb831
commit 7f85f6acdf
1 changed files with 4 additions and 0 deletions
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4
src/pci.c
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@@ -377,6 +377,7 @@ pci_set_mirq(uint8_t mirq, int level)
if (level && (pci_irq_hold[irq_line] & (1ULL << irq_bit))) { if (level && (pci_irq_hold[irq_line] & (1ULL << irq_bit))) {
/* IRQ already held, do nothing. */ /* IRQ already held, do nothing. */
pci_log("pci_set_mirq(%02X): MIRQ is already holding the IRQ\n", mirq); pci_log("pci_set_mirq(%02X): MIRQ is already holding the IRQ\n", mirq);
picintlevel(1 << irq_line);
return; return;
} }
pci_log("pci_set_mirq(%02X): MIRQ not yet holding the IRQ\n", mirq); pci_log("pci_set_mirq(%02X): MIRQ not yet holding the IRQ\n", mirq);
@@ -391,6 +392,7 @@ pci_set_mirq(uint8_t mirq, int level)
picint(1 << irq_line); picint(1 << irq_line);
} else if (level && pci_irq_hold[irq_line]) { } else if (level && pci_irq_hold[irq_line]) {
pci_log("pci_set_mirq(%02X): IRQ line already being held\n", mirq); pci_log("pci_set_mirq(%02X): IRQ line already being held\n", mirq);
picintlevel(1 << irq_line);
} }
/* If the IRQ is level-triggered, mark that this MIRQ is holding it. */ /* If the IRQ is level-triggered, mark that this MIRQ is holding it. */
@@ -449,6 +451,7 @@ pci_set_irq(uint8_t card, uint8_t pci_int)
if (level && (pci_irq_hold[irq_line] & (1ULL << slot))) { if (level && (pci_irq_hold[irq_line] & (1ULL << slot))) {
/* IRQ already held, do nothing. */ /* IRQ already held, do nothing. */
pci_log("pci_set_irq(%02X, %02X): Card is already holding the IRQ\n", card, pci_int); pci_log("pci_set_irq(%02X, %02X): Card is already holding the IRQ\n", card, pci_int);
picintlevel(1 << irq_line);
return; return;
} }
pci_log("pci_set_irq(%02X, %02X): Card not yet holding the IRQ\n", card, pci_int); pci_log("pci_set_irq(%02X, %02X): Card not yet holding the IRQ\n", card, pci_int);
@@ -463,6 +466,7 @@ pci_set_irq(uint8_t card, uint8_t pci_int)
picint(1 << irq_line); picint(1 << irq_line);
} else if (level && pci_irq_hold[irq_line]) { } else if (level && pci_irq_hold[irq_line]) {
pci_log("pci_set_irq(%02X, %02X): IRQ line already being held\n", card, pci_int); pci_log("pci_set_irq(%02X, %02X): IRQ line already being held\n", card, pci_int);
picintlevel(1 << irq_line);
} }
/* If the IRQ is level-triggered, mark that this card is holding it. */ /* If the IRQ is level-triggered, mark that this card is holding it. */